Accessories · Accessory
CLAMP 212
CLAMP 212 is a bridge clamp developed specifically for externally corrugated spiral hoses. The bridge construction ensures the clamp sits firmly on the hose's rib structure without slipping into the gaps - a critical difference compared to standard screw clamps. 28 dimensions with clamping range from 9 mm to 255 mm cover the AIRDUC PUR/PVC series' full dimension range. Typically used in pneumatic conveying installations where secure holding force and quick disassembly are critical.
- Bridge construction
- Quick to fit
- 28 dimensions
- Corrugated hoses
- Reusable
- AIRDUC catalogue
Technical specifications
The product's key specifications are briefly summarised below.
| Type | Bridge clamp for corrugated hoses |
|---|---|
| Application | Externally corrugated spiral hoses |
| Reusable | Yes |
| Dimensions | 28 pcs - clamping range 9 to 255 mm |
| Standards | RoHS + REACH |
| Manufacturer SKU | 2120000 |
Dimensions and ordering
The table shows CLAMP 212's standard dimensions.
| Inner Ø |
Outer Ø |
Weight |
Article no. |
|---|---|---|---|
| 9 | 19 | 0.01 | 21200090000 |
| 13 | 20 | 0.01 | 21200130000 |
| 17 | 27 | 0.01 | 21200170000 |
| 20 | 28 | 0.01 | 21200200000 |
| 22 | 37 | 0.02 | 21200220000 |
| 27 | 47 | 0.02 | 21200270000 |
| 29 | 47 | 0.02 | 21200290000 |
| 35 | 55 | 0.0265 | 21200350000 |
| 40 | 60 | 0.03 | 21200400000 |
| 45 | 65 | 0.03 | 21200450000 |
| 55 | 75 | 0.03 | 21200550000 |
| 65 | 85 | 0.04 | 21200650000 |
| 75 | 95 | 0.04 | 21200750000 |
| 85 | 105 | 0.04 | 21200850000 |
| 95 | 115 | 0.04 | 21200950000 |
| 105 | 125 | 0.04 | 21201050000 |
| 115 | 135 | 0.05 | 21201150000 |
| 125 | 145 | 0.05 | 21201250000 |
| 135 | 155 | 0.05 | 21201350000 |
| 145 | 165 | 0.05 | 21201450000 |
| 155 | 175 | 0.05 | 21201550000 |
| 165 | 185 | 0.06 | 21201650000 |
| 175 | 195 | 0.06 | 21201750000 |
| 185 | 205 | 0.06 | 21201850000 |
| 195 | 215 | 0.06 | 21201950000 |
| 205 | 225 | 0.07 | 21202050000 |
| 215 | 235 | 0.07 | 21202150000 |
| 235 | 255 | 0.1 | 21202350000 |
Each dimension has its own article number. Weight is per piece.
Frequently asked questions
Which hoses fit?
CLAMP 212 is developed for externally corrugated spiral hoses - this covers the full AIRDUC PUR series (350, 351, 355, 356) and AIRDUC PVC (341, 345). The bridge construction grips the rib structure's top and ensures the clamp doesn't slip into the gaps.
What is the difference between CLAMP 212 and CLAMP 210 BRIDGE?
Both are bridge clamps for corrugated hoses. CLAMP 210 BRIDGE has a plastic bridge in PA6 W1 and is typically chosen where electrical insulation or gentle hose-outer treatment is important. CLAMP 212 has a simpler construction without separate plastic bridge and is typically cheaper - chosen where insulation and rib gentleness are not critical.
Should I use CLAMP 212 EC for ATEX installation?
Yes. CLAMP 212 EC has integral grounding specifically developed for ATEX/ESD installations where static discharge from the hose must be conducted to earth. Standard CLAMP 212 does not have this grounding function.
What is the material?
Producentens factsheet for CLAMP 212 does not explicitly specify body material. T-bolt and bridge clamps in this series are typically supplied in galvanised or stainless steel. Confirm exact material specifications when ordering.